Wireless Communication Method and Device Thereof

Abstract

A wireless communication method for use in a wireless terminal is disclosed. The method comprises performing a discontinuous reception (DRX) to monitor a physical downlink control channel (PDCCH), determining a starting position of an on-duration timer for a next DRX cycle according to at least one of a first signaling or to a predefined condition, and activating the on-duration timer at the determined starting position, wherein the first signaling is monitored in a time period.

1 . A wireless communication method for use in a wireless terminal, the method comprising:
 performing a discontinuous reception (DRX) to monitor a physical downlink control channel (PDCCH),   determining a starting position of an on-duration timer for a next DRX cycle according to at least one of a first signaling or to a predefined condition, and   activating the on-duration timer at the starting position that is determined,   wherein the first signaling is monitored in a time period.   
     
     
         2 . The wireless communication method of  claim 1 , wherein the time period is determined by at least one of a monitoring period indicating a cycle of the first signaling, a first reference point, a first offset, a second reference point, a second offset, a window length, a timer, a jitter window, a jitter value, a packet delay budget (PDB), a traffic information, a minimum time gap, or a monitoring pattern. 
     
     
         3 . (canceled) 
     
     
         4 . The wireless communication method of  claim 1 , wherein
 a start of the time period is determined based on a first reference point and a first offset, and   wherein the first offset indicates a time duration between the starting point of the time period and the first reference point; and   the first reference point comprises at least one of: a beginning of a slot or a subframe or a millisecond at where the on-duration timer for the next DRX cycle starts, a last slot where the on-duration timer or an inactivity timer or a retransmission timer of the DRX expires, a system frame where the beginning of the slot at where the on-duration timer for the next DRX cycle starts, a system frame where a last slot of the on-duration timer or an inactivity timer of the DRX expires, X-th subframe of every Y-th system frame, where X is an integer greater than or equal to 0 and smaller than 10 and Y is an integer greater than or equal to 0 and smaller than 513, a system frame, a beginning of a system frame, an end of a system frame, an end of a slot at where the on-duration timer for the next DRX cycle starts, a slot or a subframe of a start of a jitter window, a slot or a subframe of an end of a jitter window, or a slot or a subframe of a middle of a jitter window.   
     
     
         5 - 6 . (canceled) 
     
     
         7 . The wireless communication method of  claim 2 , wherein the first offset has different values for different values of a quality of service parameter or a priority parameter comprised in the traffic information. 
     
     
         8 . The wireless communication method of  claim 1 , wherein an end of the time period is determined based on at least one of a second reference point, an second offset, a minimum time gap, a window length, a jitter range, a jitter window, or a number of monitor occasions of the first signaling; and
 wherein the second reference point comprises at least one of: a beginning of a slot or a subframe or a millisecond where the on-duration timer for the next DRX cycle starts, a last slot where the on-duration timer or an inactivity timer or a retransmission timer of the DRX expires, a system frame where a beginning of the slot at where the on-duration timer for the next DRX cycle starts; a system frame after a last slot before the on-duration timer or an inactivity timer of the DRX expires, X-th subframe of every Y-th system frame, where X is an integer greater than or equal to 0 and smaller than 10 and Y is an integer greater than or equal to 0 and smaller than 513, a system frame, a beginning of a system frame, an end of a system frame, an end of a slot at where the on-duration timer for the next DRX cycle starts, a slot or subframe of a start of the jitter window, a slot or subframe of a middle of the jitter window, a slot or subframe of an end of the jitter window; and   wherein the window length is associated with at least one of: a packet delay budget, PDB, a jitter range, a quality indicator of a protocol data unit set, or traffic information.   
     
     
         9 . (canceled) 
     
     
         10 . The wireless communication method of  claim 8 , wherein the end of the time period is determined by the second reference point and the second offset, and
 wherein the second offset indicates a time duration between the second reference point and the end of the time period.   
     
     
         11 - 14 . (canceled) 
     
     
         15 . The wireless communication method of  claim 1 , further comprising:
 monitoring the first signaling in the time period according to a monitoring pattern; and   wherein the monitoring pattern comprises a bitmap, wherein each bit in the bitmap indicate whether at least one time interval in the time period is valid for monitoring the first signaling, wherein monitoring the first signaling in the time period according to the monitoring pattern comprises: monitoring the first signaling in a valid time interval.   
     
     
         16 . The wireless communication method of  claim 15 , wherein the monitoring pattern indicates a monitoring cycle,
 wherein monitoring the first signaling in the time period according to the monitoring pattern comprises:   monitoring the first signaling in a time-domain position if (SFN*10+subframe number) mod (monitoring cycle)=I,   where SFN is a system frame number corresponding to the time-domain position, subframe number is a subframe index corresponding to the time-domain position, and I is an integer greater than or equal to 0 and smaller than the monitoring cycle.   
     
     
         17 . (canceled) 
     
     
         18 . The wireless communication method of  claim 1 , wherein
 the first signaling is downlink control information (DCI), a sequence based signaling or a reference signal; and   the first signaling comprises indication information for at least one of: whether to start the on-duration timer, whether to start the on-duration timer after a time duration, a time duration associated with starting the on-duration timer based on the first signaling or in response to the predefined condition, a temporary offset used to determine when to start the on-duration timer, a change offset used to determine a start offset associated with the on-duration timer, when to start the on-duration timer, or a search space set group index.   
     
     
         19 - 22 . (canceled) 
     
     
         23 . The wireless communication method of  claim 18 , wherein
 the first signaling is DCI and is associated with at least one configuration parameter comprising at least one of a search space set, a radio network temporary identifier (RNTI), a start position of the indication information of the first signaling, a DCI size of the first signaling, an enable signaling, a quasi-co-location (QCL), or a transmission configuration indicator (TCI) state; and   the at least one configuration parameter of the search space set is limited by at least one of: the number of search space sets used for the first signaling is not larger than a first threshold, wherein the first threshold is an integer greater than 0 and smaller than 3, a duration of the search space set used for the first signaling is not larger than a second threshold, wherein the second threshold is an integer greater than 0 and smaller than 30, a periodicity of the search space set used for the first signaling is not smaller than a third threshold, wherein the third threshold is an integer greater than 1, a number of aggregation levels of the search space set used for the first signaling is not larger than a fourth threshold, wherein the fourth threshold is an integer greater than 0 and smaller than 3, a maximum of an aggregation level of the search space set used for the first signaling is not larger than a fifth threshold, wherein the fifth threshold is an integer greater than 0 and smaller than 8, a number of PDCCH candidates per aggregation level of the search space set used for the first signaling is not larger than a sixth threshold, wherein the sixth threshold has the same value or different values for different aggregation levels, a total number of PDCCH candidates of the search space set used for the first signaling is not larger than a seventh threshold, wherein the seventh threshold is an integer greater than 0 and smaller than 20, or a number of monitoring occasions in single slot of the search space set used for the first signaling is not larger than an eighth threshold, wherein the eighth threshold is an integer greater than 0 and less than 3.   
     
     
         24 - 29 . (canceled) 
     
     
         30 . The wireless communication method of  claim 23 , wherein different monitor occasions for the first signaling in a time interval are associated with a plurality of transmission relations. 
     
     
         31 . The wireless communication method of  claim 30 , wherein
 the time interval comprises at least one search space set cycle, at least one slot, or the time period; and/or   the monitor occasions in one time interval are divided into X groups, wherein X is the number of transmission relations in the transmission relation list; and/or   a first monitor occasion in the time interval is associated with a first transmission relation of a search space set of the first signaling and the remaining monitor occasions in the time interval are associated with at least one second transmission relation different from the first transmission relation.   
     
     
         32 . The wireless communication method of  claim 30 , wherein
 each monitor occasion comprises one or more consecutive slots, one or more consecutive symbols, or one or more consecutive search space set cycles, or   wherein one or more consecutive monitor occasions are grouped as a monitor occasion group associated with the same transmission relation; and   each monitor occasion or each monitor occasion group is configured, by a high layer signaling, to be associated with a transmission relation; and   the transmission relation associated with each monitor occasion or each monitor occasion group is determined based on a transmission relation list configured in a search space set of the first signaling; and   the transmission relation is associated with at least one of a quasi-co-location, a control resource set (CORESET), a transmission configuration indicator (TCI) state, or a synchronization signal block.   
     
     
         33 - 37 . (canceled) 
     
     
         38 . The wireless communication method of  claim 1 , further comprising:
 monitoring the first signaling if:   at least part of the time period is outside of an active time of the DRX,   a search space is configured for the first signaling,   receiving, from the wireless network, an enable signaling or an activation signaling monitoring the first signaling,   outside of an active time of the DRX,   within the time period,   another first signaling indicating continuing to monitor the first signaling was received, or   not receiving the first signaling which indicates starting the on-duration timer after a time duration.   
     
     
         39 . (canceled) 
     
     
         40 . The wireless communication method of  claim 1 , wherein the predefined condition comprises at least one of:
 not detecting the first signaling indicating starting the on-duration timer after a time duration during the time period,   receiving an enable signaling for enabling changing a start offset of the on-duration timer,   receiving an enable signaling for enabling monitoring the first signaling,   reporting a capability signaling indicating a support of monitoring the first signaling,   a timer expires, wherein the timer is triggered under at least one of following conditions:
 if receiving scheduling DCI, 
 if receiving scheduling DCI for XR service traffic, 
 if receiving the first signaling, 
 if receiving a first kind of DCI format, 
 at a first slot outside of an active time of the DRX, or 
 at a first slot after the on-duration timer or an inactivity timer expires, 
   the timer expires and not receiving a traffic during the timer running,   receiving a first kind of DCI format, wherein the first kind of DCI format includes at least one of: a DCI used for XR service traffic, a DCI format 0_1, a DCI format 1_1, a DCI format 0_2, a DCI format 1_2, or a DCI format 2_6,   receiving DCI scrambled with a first kind of RNTI, wherein the first kind of RNTI includes at least one of:   an RNTI used for DCI associated with traffics of an extended reality service,   an RNTI used for DCI indicating whether to start the on-duration timer,   an RNTI used for DCI indicating whether to start the on-duration timer after the time duration,   an RNTI used for DCI indicating whether to change a start offset associated with the on-duration timer,   an RNTI used for DCI indicating whether to monitor the DCI in a subsequent monitoring occasion,   a power saving RNTI,   a cell RNTI,   a configured scheduling RNTI, or   a modulation and coding scheme cell RNTI.   
     
     
         41 . The wireless communication method of  claim 1 , wherein
 determining the starting position of the on-duration timer for the next DRX cycle according to the first signaling comprises:   determining the starting position of the on-duration timer for the next DRX cycle based on the indication information in the first signaling, or   determining that the starting position of the on-duration timer for the next DRX cycle is after a time duration after the slot or subframe in which receiving the first signaling; or   determining the starting position of the on-duration timer for the next DRX cycle according to a predefined condition comprises: determining that the starting position of the on-duration timer for the next DRX cycle is after the time duration after the slot or subframe where the predefined condition is satisfied.   
     
     
         42 - 43 . (canceled) 
     
     
         44 . The wireless communication method of  claim 1 , wherein the predefined condition comprises receiving an enable signaling for enabling changing a start offset of the on-duration timer or for enabling monitoring the first signaling,
 wherein the starting position is determined by:   if the first signaling indicating starting the on-duration timer after a duration is detected in the time period and the predefined condition is satisfied, the starting position of the on-duration timer for the next DRX cycle is determined based on the first signaling or is determined as the time duration after receiving the first signaling,   otherwise, the starting position of the on-duration timer for the next DRX cycle is determined based on a DRX configuration of the DRX.   
     
     
         45 . A wireless communication method for use in a wireless network node, the method comprising:
 transmitting, to a wireless terminal, a first signaling in a time period,   wherein the first signaling is associated with determining a starting position of an on-duration timer of a discontinuous reception (DRX).   
     
     
         46 - 80 . (canceled) 
     
     
         81 . A wireless terminal, comprising:
 a communication unit, and   a processor, configured to:   use the communication unit to perform a discontinuous reception (DRX) to monitor a physical downlink control channel (PDCCH)   determine a starting position of an on-duration timer for a next DRX cycle according to at least one of a first signaling or to a predefined condition, and   activate the on-duration timer at the determined starting position,   wherein the first signaling is monitored in a time period.   
     
     
         82 . (canceled) 
     
     
         83 . A wireless network node, comprising:
 a communication unit, configured to perform the wireless communication method according to claim  45 .   
     
     
         84 - 85 . (canceled)